unicode 轉換成 中文
阿新 • • 發佈：2018-12-13
package com.shili.util; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.InetAddress; import java.net.URL; import java.net.UnknownHostException; import javax.servlet.http.HttpServletRequest; import net.sf.json.JSONArray; import net.sf.json.JSONObject; /** * 根據IP地址獲取詳細的地域資訊 * * @project:personGocheck * @class:AddressUtils.java * @date：Nov 14, 2012 6:38:25 PM */ public class AddressUtils { /** * * @param content * 請求的引數 格式為：name=xxx&pwd=xxx * @param encoding * 伺服器端請求編碼。如GBK,UTF-8等 * @return * @throws UnsupportedEncodingException */ public String getAddresses(String content, String encodingString) throws UnsupportedEncodingException { // 這裡呼叫pconline的介面 String urlStr = "http://ip.taobao.com/service/getIpInfo.php"; // 從http://whois.pconline.com.cn取得IP所在的省市區資訊 String returnStr = this.getResult(urlStr, content, encodingString); // JSONObject jsonObject = JSONObject.fromObject(returnStr).getJSONObject("data"); // System.out.println(" *************** jsonObject."+ jsonObject.getString("country")); // System.out.println(" *************** jsonObject."+ jsonObject.getString("area")); // System.out.println(" *************** jsonObject."+ jsonObject.getString("region")); // System.out.println(" *************** jsonObject."+ jsonObject.getString("city")); // System.out.println(" *************** jsonObject."+ jsonObject.getString("county")); // System.out.println(" *************** jsonObject."+ jsonObject.getString("isp")); if (returnStr != null) { // 處理返回的省市區資訊 System.out.println(returnStr); String[] temp = returnStr.split(","); if (temp.length < 3) { return "0";// 無效IP，區域網測試 } String region = (temp[5].split(":"))[1].replaceAll("\"", ""); region = decodeUnicode(region);// 省份 String country = ""; String area = ""; // String region = ""; String city = ""; String county = ""; String isp = ""; for (int i = 0; i < temp.length; i++) { switch (i) { case 1: country = (temp[i].split(":"))[2].replaceAll("\"", ""); country = decodeUnicode(country);// 國家 break; case 3: area = (temp[i].split(":"))[1].replaceAll("\"", ""); area = decodeUnicode(area);// 地區 break; case 5: region = (temp[i].split(":"))[1].replaceAll("\"", ""); region = decodeUnicode(region);// 省份 break; case 7: city = (temp[i].split(":"))[1].replaceAll("\"", ""); city = decodeUnicode(city);// 市區 break; case 9: county = (temp[i].split(":"))[1].replaceAll("\"", ""); county = decodeUnicode(county);// 地區 break; case 11: isp = (temp[i].split(":"))[1].replaceAll("\"", ""); isp = decodeUnicode(isp); // ISP公司 break; } } System.out.println(country + "=" + area + "=" + region + "=" + city + "=" + county + "=" + isp); return region; } return null; } /** * @param urlStr * 請求的地址 * @param content * 請求的引數 格式為：name=xxx&pwd=xxx * @param encoding * 伺服器端請求編碼。如GBK,UTF-8等 * @return */ private String getResult(String urlStr, String content, String encoding) { URL url = null; HttpURLConnection connection = null; try { url = new URL(urlStr); connection = (HttpURLConnection) url.openConnection();// 新建連線例項 connection.setConnectTimeout(2000);// 設定連線超時時間，單位毫秒 connection.setReadTimeout(2000);// 設定讀取資料超時時間，單位毫秒 connection.setDoOutput(true);// 是否開啟輸出流 true|false connection.setDoInput(true);// 是否開啟輸入流true|false connection.setRequestMethod("POST");// 提交方法POST|GET connection.setUseCaches(false);// 是否快取true|false connection.connect();// 開啟連線埠 DataOutputStream out = new DataOutputStream(connection.getOutputStream());// 開啟輸出流往對端伺服器寫資料 out.writeBytes(content);// 寫資料,也就是提交你的表單 name=xxx&pwd=xxx out.flush();// 重新整理 out.close();// 關閉輸出流 BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), encoding));// 往對端寫完資料對端伺服器返回資料 // ,以BufferedReader流來讀取 StringBuffer buffer = new StringBuffer(); String line = ""; while ((line = reader.readLine()) != null) { buffer.append(line); } reader.close(); return buffer.toString(); } catch (IOException e) { e.printStackTrace(); } finally { if (connection != null) { connection.disconnect();// 關閉連線 } } return null; } /** * unicode 轉換成 中文 * * @author fanhui 2007-3-15 * @param theString * @return */ public static String decodeUnicode(String theString) { char aChar; int len = theString.length(); StringBuffer outBuffer = new StringBuffer(len); for (int x = 0; x < len;) { aChar = theString.charAt(x++); if (aChar == '\\') { aChar = theString.charAt(x++); if (aChar == 'u') { int value = 0; for (int i = 0; i < 4; i++) { aChar = theString.charAt(x++); switch (aChar) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': value = (value << 4) + aChar - '0'; break; case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': value = (value << 4) + 10 + aChar - 'a'; break; case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': value = (value << 4) + 10 + aChar - 'A'; break; default: throw new IllegalArgumentException("Malformed encoding."); } } outBuffer.append((char) value); } else { if (aChar == 't') { aChar = '\t'; } else if (aChar == 'r') { aChar = '\r'; } else if (aChar == 'n') { aChar = '\n'; } else if (aChar == 'f') { aChar = '\f'; } outBuffer.append(aChar); } } else { outBuffer.append(aChar); } } return outBuffer.toString(); } // 測試 public static void main(String[] args) { AddressUtils addressUtils = new AddressUtils(); // 測試ip 219.136.134.157 中國=華南=廣東省=廣州市=越秀區=電信 // String ip = "125.70.11.136"; String ip = "192.168.1.48"; String address = ""; try { address = addressUtils.getAddresses("ip=" + ip, "utf-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } System.out.println(address); // 輸出結果為：廣東省,廣州市,越秀區 } }